CN105067580A - Test paper for detecting fluazinam and detection method thereof - Google Patents
Test paper for detecting fluazinam and detection method thereof Download PDFInfo
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Abstract
The invention discloses test paper for detecting fluazinam and a detection method thereof; the test paper for detecting fluazinam is prepared by the steps: firstly, taking cysteine as a carbon source, adopting a hydrothermal method to prepare a carbon quantum dot solution, then placing filter paper containing no fluorescent agent in the carbon quantum dot solution, soaking, and drying, to obtain the test paper. The detection method comprises the steps: firstly, dotting the test paper with different-content fluazinam and a blank reagent, air-drying, then observing under ultraviolet light and taking photos, preparing a standard colourimetric card, then dotting the test paper with a sample, air-drying, comparing the color depth of the sample with that of the colourimetric card under ultraviolet light, and semi-quantifying the content of fluazinam in the sample. The method has the advantages of low analysis cost, easy and fast operation, high selectivity and good stability and can realize visualization inspection, and the test paper is easy to carry, the detection method is simple and convenient to operate and can be used in on-site rapid detection.
Description
Technical field
The invention belongs to fluazinam monitoring technical field, being specifically related to a kind of test paper for detecting fluazinam and detection method.
Background technology
Fluazinam is succeeded in developing by Japanese Ishihara Sangyo Kaisha Ltd. 2; 6-dinitroaniline low toxicity germifuge; it has obvious bactericidal action to the genus such as interlink spore genus, Staphlosporonites, Phytophthora, Plasmopara and nuclear disk mould etc.; and to food planting property mite class and crucifer clubroot, there is good preventive effect; being usually used in preventing capsicum epidemic disease, potato blight and tomato late blight etc., is a kind of good protective fungicide.
Although fluazinam is a kind of low toxicity germifuge, its environmental toxicity is still troubling.Have external correlative study to show, fluazinam residual in contact environment can cause the disease that asthma and dermatitis etc. destroy human immune system.In view of this, how to carry out detection tool to fluazinam to be of great significance.
At present, the detection method of fluazinam mainly contains liquid phase chromatography (HPLC), vapor-phase chromatography (GC), gas chromatography mass spectrometry method (GC-MS) etc.; But these methods all need numerous and diverse sample pre-treatments usually, and it is high to there is testing cost, needs large-scale instrument and professional operator to carry out the defect such as operating, is especially unwell to field quick detection, and there is certain deficiency.Therefore, in the urgent need to a kind of quick, easy and can be used for the new method of field quick detection fluazinam.
Summary of the invention
For prior art above shortcomings, the object of this invention is to provide a kind of test paper for detecting fluazinam.
Another object of the present invention is to provide and adopts the above-mentioned test paper for detecting fluazinam to carry out the method detected.
To achieve these goals, the present invention adopts following technical scheme: a kind of test paper for detecting fluazinam, adopts and prepares with the following method and obtain:
1) halfcystine and glycerine being dissolved in volumetric concentration is in the acetum of 1% ~ 10%, obtains mixed solution; Wherein, the mass volume ratio of halfcystine, glycerine and acetum is 1g:50mL:100mL;
2) mixed solution that step 1) obtains is placed in reactor, and pass into nitrogen deoxygenation in reactor after, in 180 ~ 250 DEG C of reaction 10 ~ 15h, after reaction terminates, reaction solution is cooled to room temperature;
3) by step 2) cooled reaction solution at 4 DEG C, with the centrifugal 15 ~ 30min of the centrifugal speed of 10000 ~ 15000r/min, get supernatant, obtain carbon quantum dot solution;
4) will not being placed in after carbon quantum dot solution that step 3) obtains soaks 24 ~ 48h containing the filter paper of fluorescer, naturally drying or the baking oven that is placed in less than 50 DEG C is dried, obtaining the test paper for detecting fluazinam.
Adopting the above-mentioned test paper for detecting fluazinam to carry out the method detected, comprising the steps:
1) fluazinam solution and blank reagent is got respectively in the above-mentioned test paper for detecting fluazinam, the fluazinam content on test paper is made to be respectively 20nmol, 10nmol, 2nmol, 1nmol, 0.2nmol, 0.1nmol and 0nmol, test paper is dried rear ultraviolet light to carry out observing and taking pictures at 360nm place, be prepared into standard color comparison card; Described blank reagent is the solvent of fluazinam solution;
2) sample preparation: get pedotheque, vegetable sample or fruit sample and be placed in conical flask, and add acetone in conical flask, sonic oscillation 20min, filters after leaving standstill 10min; Wherein, the mass volume ratio of described sample and acetone is 1g:2mL; Getting filtrate proceeds in separating funnel, in separating funnel, add 100mL distilled water, 100mL saturated nacl aqueous solution and 100mL sherwood oil successively extract, after collecting upper strata petroleum ether layer, lower floor again with 100mL petroleum ether extraction once and collect petroleum ether layer, merge twice sherwood oil phase; To merge sherwood oil mutually in add anhydrous Na
2sO
4after dehydration, reduced pressure concentration is closely dry, then adds normal hexane-methylene chloride dissolving extraction concentrating sample that 10mL volume ratio is 95:5, and by extract in the centrifugal 5min of 10000r/min, get supernatant again after 40 C reduced pressure concentrations, be settled to 1mL with acetone, to be analyzed as sample solution;
3) sample determination: by step 2) process after sample solution 0.1mol/LNaHCO
3-0.05mol/LNa
2cO
3after buffer solution regulates pH to 8.8, with the centrifugal 15min of the centrifugal speed of 15000r/min, get 2 μ L supernatants on the above-mentioned test paper for detecting fluazinam and after drying, observe under 360nm ultraviolet light, the standard color comparison card obtained with step 1) carries out depth contrast, and semidefinite measures the fluazinam content in sample.
Compared to existing technology, the present invention has following beneficial effect:
1, carbon quantum dot technology and test paper combine in the detection application being incorporated into fluazinam by the present invention, provide a kind of test paper fluorimetry based on carbon quantum dot, realize visual quick detection fluazinam; When carbon quantum dot is adsorbed on filter paper, shine with uviol lamp and present bright blueness, but when fluazinam exists, effect is waited because π-π is stacking, make filter effect in fluorescence occurs between carbon quantum dot and fluazinam, thus cause carbon quantum dot fluorescent quenching, test paper colour-darkening, reach the object of detection.
2, the present invention is compared to gas chromatography, liquid chromatography and Gas chromatographyMass spectrometry, sample does not need complicated pre-treatment, analysis cost is low, easy and simple to handle, quick, and operate without the need to professional operator, only the color of the colour developing result of sample and colorimetric card need be contrasted, just can carry out semi-quantitative analysis to fluazinam, achieve the visual quick detection to fluazinam.
3, the detection of the inventive method to fluazinam has high selectivity, can get rid of other heavy metal ion and interference that is medium or low pole compound, and detect selectivity good, accuracy in detection is high.
4, the present invention is easy to carry for the test paper detecting fluazinam, and detection method is easy and simple to handle, can be used for field quick detection, and detection speed is fast.
5, the inventive method both can be used in the environmental analysis such as aqueous systems, soil, and also can be used for detecting in the food such as veterinary antibiotics, suitable application area is extensive.
Accompanying drawing explanation
Fig. 1 is the photo of colorimetric card under Portable ultraviolet lamp (360nm);
Fig. 2 is fluazinam and carbon quantum dot mechanism of action schematic diagram;
Fig. 3 is fluazinam assay figure in grape;
Fig. 4 is Fluorine in Soils pyridine amine content mensuration figure.
Embodiment
Below in conjunction with specific embodiment and Figure of description, the present invention is described in further detail.The implementation case is implemented under premised on the technology of the present invention, now provide detailed embodiment and concrete operating process, illustrate that the present invention is creative, but protection scope of the present invention is not limited to following embodiment.The chemicals used in following embodiment if no special instructions, is common commercially available prod.
one, for detecting a test paper for fluazinam,adopt and prepare with the following method and obtain:
1) halfcystine and glycerine being dissolved in volumetric concentration is in the acetum of 1% ~ 10%, obtains mixed solution; Wherein, the mass volume ratio of halfcystine, glycerine and acetum is 1g:50mL:100mL;
2) mixed solution that step 1) obtains is placed in reactor, and pass into nitrogen deoxygenation in reactor after, in 180 ~ 250 DEG C of reaction 10 ~ 15h, after reaction terminates, reaction solution is cooled to room temperature;
3) by step 2) cooled reaction solution at 4 DEG C, with the centrifugal 15 ~ 30min of the centrifugal speed of 10000 ~ 15000r/min, get supernatant, obtain carbon quantum dot solution;
4) will not being placed in after carbon quantum dot solution that step 3) obtains soaks 24 ~ 48h containing the filter paper of fluorescer, naturally drying or the baking oven that is placed in less than 50 DEG C is dried, obtaining the test paper for detecting fluazinam.
two, the above-mentioned test paper for detecting fluazinam is adopted to carry out the method detected, comprise the steps:
1) fluazinam solution and blank reagent is got respectively in the above-mentioned test paper for detecting fluazinam, the fluazinam content on test paper is made to be respectively 20nmol, 10nmol, 2nmol, 1nmol, 0.2nmol, 0.1nmol and 0nmol, test paper is dried rear ultraviolet light to carry out observing and taking pictures at 360nm place, be prepared into standard color comparison card; Described blank reagent is the solvent of fluazinam solution; Fig. 1 is the photo of colorimetric card under Portable ultraviolet lamp 360nm; As seen from Figure 1, the fluorescent quenching degree that the fluazinam of variable concentrations is corresponding is different, especially under ultraviolet light fluazinam content associates closely with test paper fluorescent quenching Strength Changes, the content of fluazinam is higher, fluorescent quenching degree is more remarkable, but when the concentration in sample is lower than 0.2nmol, test result sensitivity is in a slight decrease.
2) sample preparation: get pedotheque, vegetable sample or fruit sample and be placed in conical flask, and add acetone in conical flask, sonic oscillation 20min, filters after leaving standstill 10min; Wherein, the mass volume ratio of described sample and acetone is 1g:2mL; Getting filtrate proceeds in separating funnel, in separating funnel, add 100mL distilled water, 100mL saturated nacl aqueous solution and 100mL sherwood oil successively extract, after collecting upper strata petroleum ether layer, lower floor again with 100mL petroleum ether extraction once and collect petroleum ether layer, merge twice sherwood oil phase; To merge sherwood oil mutually in add anhydrous Na
2sO
4after dehydration, reduced pressure concentration is closely dry, then adds normal hexane-methylene chloride dissolving extraction concentrating sample that 10mL volume ratio is 95:5, and by extract in the centrifugal 5min of 10000r/min, get supernatant again after 40 C reduced pressure concentrations, be settled to 1mL with acetone, to be analyzed as sample solution; Described pedotheque is that soil first dries in the shade in indoor, pulverizes and sieves after decon, then by after the sample mix after sieving, adopts inquartation to keep sample, as pedotheque.
3) sample determination: by step 2) process after sample solution 0.1mol/LNaHCO
3-0.05mol/LNa
2cO
3after buffer solution regulates pH to 8.8, with the centrifugal 15min of the centrifugal speed of 15000r/min, get 2 μ L supernatants on the above-mentioned test paper for detecting fluazinam and after drying, observe under 360nm ultraviolet light, the standard color comparison card obtained with step 1) carries out depth contrast, and semidefinite measures the fluazinam content in sample.
Cleaning Principle of the present invention is: when carbon quantum dot is adsorbed on filter paper, shines present bright blueness with uviol lamp; But when fluazinam exists, as shown in Figure 3, wait effect because π-π is stacking, make filter effect in fluorescence occurs between carbon quantum dot and fluazinam, thus cause carbon quantum dot fluorescent quenching, test paper colour-darkening.Just semi-quantitative analysis can be carried out to fluazinam by the shade of spot on comparison sample and colorimetric card.The sensing range of this method fluazinam is 20nmol ~ 0.2nmol.
three, said method is adopted to detect the fluazinam content in grape and soil,concrete steps are as follows:
1, fluazinam assay in grape:
1) process of sample: get 250g Grape fragmentation and be placed in conical flask, add 500mL acetone, sonic oscillation 20min, filter after leaving standstill 10min, filtrate proceeds in the separating funnel of 1L, adds 100mL distilled water, 100mL saturated nacl aqueous solution and 100mL sherwood oil successively and extracts, collect upper strata petroleum ether layer, lower floor once extracts with 100mL sherwood oil again, merges twice sherwood oil phase, to merge sherwood oil mutually in add anhydrous Na
2sO
4after dehydration, reduced pressure concentration is closely dry, then adds normal hexane-methylene chloride dissolving extraction concentrating sample that 10mL volume ratio is 95:5, and by extract in the centrifugal 5min of 10000r/min, get supernatant again after 40 C reduced pressure concentrations, be settled to 1mL with acetone, to be analyzed as sample solution;
2) sample tests: sample solution 0.1MNaHCO prepared by step 1)
3-0.05MNa
2cO
3buffer solution regulates pH to be after 8.8, with the centrifugal 15min of the centrifugal speed of 15000r/min.Get 2 μ L supernatants on the above-mentioned test paper for detecting fluazinam and after drying, observe under 360nm ultraviolet light, under ultraviolet light, the test paper of sample as shown in Figure 3, can find out that in its color and colorimetric card, 0.2nmol is close to the blank depth, namely in sample grape fluazinam concentration lower than 0.186mg/kg, lower than the maximum residue limit value (0.3mg/kg) that Korea S specifies.
2, Fluorine in Soils pyridine amine content measures:
1) process of sample: get 250g pedotheque, be placed in conical flask, add 500mL acetone, sonic oscillation 20min, filter after leaving standstill 10min, filtrate proceeds in the separating funnel of 1L, add 100mL distilled water, 100mL saturated nacl aqueous solution and 100mL sherwood oil successively to extract, collect upper strata petroleum ether layer, lower floor once extracts with 100mL sherwood oil again, merge twice sherwood oil phase, to merge sherwood oil mutually in add anhydrous Na
2sO
4after dehydration, reduced pressure concentration is closely dry, then adds normal hexane-methylene chloride dissolving extraction concentrating sample that 10mL volume ratio is 95:5, and by extract in the centrifugal 5min of 10000r/min, get supernatant again after 40 C reduced pressure concentrations, be settled to 1mL with acetone, to be analyzed as sample solution;
2) sample tests: sample solution 0.1MNaHCO prepared by step 1)
3-0.05MNa
2cO
3buffer solution regulates pH to be after 8.8, with the centrifugal 15min of the centrifugal speed of 15000r/min.Get 2 μ L supernatants on the above-mentioned test paper for detecting fluazinam and after drying, observe under 360nm ultraviolet light, under ultraviolet light, the test paper of sample as shown in Figure 4, can find out that its shade is identical with 2nmol in colorimetric card, obtains Fluorine in Soils pyridine amine content to be thus: 2mg/kg.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (6)
1. for detecting a test paper for fluazinam, it is characterized in that, adopting and prepare with the following method and obtain:
1) halfcystine and glycerine being dissolved in volumetric concentration is in the acetum of 1% ~ 10%, obtains mixed solution; Wherein, the mass volume ratio of halfcystine, glycerine and acetum is 1g:50mL:100mL;
2) mixed solution that step 1) obtains is placed in reactor, and pass into nitrogen deoxygenation in reactor after, in 180 ~ 250 DEG C of reaction 10 ~ 15h, after reaction terminates, reaction solution is cooled to room temperature;
3) by step 2) cooled reaction solution at 4 DEG C, with the centrifugal 15 ~ 30min of the centrifugal speed of 10000 ~ 15000r/min, get supernatant, obtain carbon quantum dot solution;
4) will not being placed in after carbon quantum dot solution that step 3) obtains soaks 24 ~ 48h containing the filter paper of fluorescer, naturally drying or the baking oven that is placed in less than 50 DEG C is dried, obtaining the test paper for detecting fluazinam.
2. according to claim 1 for detecting the test paper of fluazinam, it is characterized in that, in step 1), preferred volume concentration is the acetum of 2%.
3., according to claim 1 for detecting the test paper of fluazinam, it is characterized in that, step 2) in preferably at 180 DEG C of reaction 12h.
4. according to claim 1 for detecting the test paper of fluazinam, it is characterized in that, preferably with the centrifugal 15min of the centrifugal speed of 15000r/min in step 3).
5. adopt the arbitrary described method of carrying out detecting for the test paper detecting fluazinam of claim 1 ~ 4, it is characterized in that, comprise the steps:
1) fluazinam solution and blank reagent is got respectively arbitrary described for detecting the test paper of fluazinam in claim 1 ~ 4, the fluazinam content on test paper is made to be respectively 20nmol, 10nmol, 2nmol, 1nmol, 0.2nmol, 0.1nmol and 0nmol, test paper is dried rear ultraviolet light to carry out observing and taking pictures at 360nm place, be prepared into standard color comparison card; Described blank reagent is the solvent of fluazinam solution;
2) sample preparation: get pedotheque, vegetable sample or fruit sample and be placed in conical flask, and add acetone in conical flask, sonic oscillation 20min, filters after leaving standstill 10min; Wherein, the mass volume ratio of described sample and acetone is 1g:2mL; Getting filtrate proceeds in separating funnel, in separating funnel, add 100mL distilled water, 100mL saturated nacl aqueous solution and 100mL sherwood oil successively extract, after collecting upper strata petroleum ether layer, lower floor again with 100mL petroleum ether extraction once and collect petroleum ether layer, merge twice sherwood oil phase; To merge sherwood oil mutually in add anhydrous Na
2sO
4after dehydration, reduced pressure concentration is closely dry, then adds normal hexane-methylene chloride dissolving extraction concentrating sample that 10mL volume ratio is 95:5, and by extract in the centrifugal 5min of 10000r/min, get supernatant again after 40 C reduced pressure concentrations, be settled to 1mL with acetone, to be analyzed as sample solution;
3) sample determination: by step 2) process after sample solution 0.1mol/LNaHCO
3-0.05mol/LNa
2cO
3after buffer solution regulates pH to 8.8, with the centrifugal 15min of the centrifugal speed of 15000r/min, get 2 μ L supernatants arbitrary described on the test paper detecting fluazinam and after drying in claim 1 ~ 4, observe under 360nm ultraviolet light, the standard color comparison card obtained with step 1) carries out depth contrast, and semidefinite measures the fluazinam content in sample.
6. adopting the test paper for detecting fluazinam to carry out the method detected according to claim 5, it is characterized in that, the preferred acetone of blank reagent described in step 1).
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290347A (en) * | 2016-10-17 | 2017-01-04 | 吉林大学 | The manufacture method of a kind of variable color reagent paper detecting beef system waterpower and detection method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101726548A (en) * | 2009-12-25 | 2010-06-09 | 浙江大学 | Solid phase extraction and HPLC-ultraviolet detection method of nitroaniline pollutants in water sample |
| CN102604629A (en) * | 2012-02-08 | 2012-07-25 | 中国人民解放军军事医学科学院卫生装备研究所 | Preparation method and applications of amino carbon quantum dots |
| CN103293266A (en) * | 2013-06-08 | 2013-09-11 | 国家烟草质量监督检验中心 | GC-MS/MS (gas chromatography-tandem mass spectrometry) method for analyzing dinitroaniline pesticide residue in tobacco and tobacco product |
| KR101487515B1 (en) * | 2014-07-18 | 2015-02-03 | 한국기초과학지원연구원 | Method for prrparing carbon nano dots |
| CN104357049A (en) * | 2014-11-07 | 2015-02-18 | 山西大学 | Fluorescent carbon quantum dot as well as preparation method and application thereof |
-
2015
- 2015-07-28 CN CN201510449999.2A patent/CN105067580B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101726548A (en) * | 2009-12-25 | 2010-06-09 | 浙江大学 | Solid phase extraction and HPLC-ultraviolet detection method of nitroaniline pollutants in water sample |
| CN102604629A (en) * | 2012-02-08 | 2012-07-25 | 中国人民解放军军事医学科学院卫生装备研究所 | Preparation method and applications of amino carbon quantum dots |
| CN103293266A (en) * | 2013-06-08 | 2013-09-11 | 国家烟草质量监督检验中心 | GC-MS/MS (gas chromatography-tandem mass spectrometry) method for analyzing dinitroaniline pesticide residue in tobacco and tobacco product |
| KR101487515B1 (en) * | 2014-07-18 | 2015-02-03 | 한국기초과학지원연구원 | Method for prrparing carbon nano dots |
| CN104357049A (en) * | 2014-11-07 | 2015-02-18 | 山西大学 | Fluorescent carbon quantum dot as well as preparation method and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 姜宜飞: "氟啶胺高效液相色谱分析方法研究", 《农药科学与管理》 * |
Cited By (13)
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|---|---|---|---|---|
| CN106290347A (en) * | 2016-10-17 | 2017-01-04 | 吉林大学 | The manufacture method of a kind of variable color reagent paper detecting beef system waterpower and detection method |
| CN106770110A (en) * | 2016-12-14 | 2017-05-31 | 江南大学 | A kind of preparation method of the fluorescent test paper strip of quick inspection metal ion |
| CN107300544A (en) * | 2017-06-16 | 2017-10-27 | 安徽师范大学 | A kind of detection method of ferrous ion |
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| CN109813689B (en) * | 2018-11-22 | 2020-04-03 | 中南民族大学 | Method for detecting carbamate pesticide based on CdTe quantum dot paper chip substrate |
| CN109813689A (en) * | 2018-11-22 | 2019-05-28 | 中南民族大学 | Method based on CdTe quantum paper chip substrate detection carbamate chemicals for agriculture |
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